Call QueryExtension before any other RandR function (bug#30806)

Reviewed-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Tested-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Signed-off-by: Julien Cristau <jcristau@debian.org>

1 files changed, 2 insertions, 3 deletions

diff --git a/xrandr.c b/xrandr.c
index 5858813..0adf375 100644
--- a/xrandr.c
+++ b/xrandr.c
@@ -2679,7 +2679,8 @@ main (int argc, char **argv)
 
     root = RootWindow (dpy, screen);
 
-    if (!XRRQueryVersion (dpy, &major, &minor))
+    if (!XRRQueryExtension (dpy, &event_base, &error_base) ||
+        !XRRQueryVersion (dpy, &major, &minor))
     {
 	fprintf (stderr, "RandR extension missing\n");
 	exit (1);
@@ -3372,8 +3373,6 @@ main (int argc, char **argv)
 						   root,
 						   (SizeID) size, (Rotation) (rotation | reflection), rate, CurrentTime);
 
-    XRRQueryExtension(dpy, &event_base, &error_base);
-
     if (setit && !dryrun && status == RRSetConfigFailed) {
 	printf ("Failed to change the screen configuration!\n");
 	ret = 1;